Datasheet Linear Technology LT1613 (Linear Technology) - 10
| Manufacturer | Linear Technology |
| Description | 1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23 |
| Pages / Page | 12 / 10 — TYPICAL APPLICATIO S. 4-Cell to 5V SEPIC DC/DC Converter. 4-Cell to … |
| Revision | S |
| File Format / Size | PDF / 302 Kb |
| Document Language | English |
TYPICAL APPLICATIO S. 4-Cell to 5V SEPIC DC/DC Converter. 4-Cell to 15V/30mA DC/DC Converter. Efficiency
Model Line for this Datasheet
Text Version of Document
LT1613
U TYPICAL APPLICATIO S 4-Cell to 5V SEPIC DC/DC Converter
C3 L1 1µF 22µH D1 6.5V TO 4V VOUT + C1 VIN SW 5V 15µF 175mA L2 LT1613 374k 4-CELL 22µH + C2 SHDN SHDN FB 22µF GND 121k L1, L2: MURATA LQH3C220 1613 • TA03 C3: AVX 1206YG105 CERAMIC D1: MBR0520
4-Cell to 15V/30mA DC/DC Converter
L1 10µH D1
Efficiency
VIN VOUT 3.5V TO 15V/30mA 85 8V + VIN = 6.5V C1 VIN SW 80 1nF 22µF R1 LT1613 137k + C2 75 VIN = 5V 1% 10k 4.7µF VIN = 3.6V SHDN SHDN FB 70 GND R2 12.1k 65 EFFICIENCY (%) C1: AVX TAJB226M016 60 C2: AVX TAJA475M025 D1: MOTOROLA MBR0520 55 1613 TA04 L1: MURATA LQH3C100 50 0 10 20 30 40 50 60 70 80 90 100 LOAD CURRENT (mA) 1613 TA04a
3.3V to 8V/70mA, – 8V/5mA, 24V/5mA TFT LCD Bias Supply Uses All Ceramic Capacitors
D2 VOFF – 8V 1µF 5mA D3 VON 24V 0.22µF 0.22µF 1µF 5mA 0.22µF: TAIYO YUDEN EMK212BJ224MG D4 1µF: TAIYO YUDEN LMK212BJ105MG 4.7µF: TAIYO YUDEN LMK316BJ475ML 0.22 D1: MOTOROLA MBRO520 µF 1µF D2, D3, D4: BAT54S L1: SUMIDA CDRH5D185R4 L1 5.4µH D1 VIN 3.3V AVDD 8V V 70mA IN SW 274k LT1613 C1 C2 4.7µF 4.7µF SHDN FB GND 48.7k 1613 TA05 10
U TYPICAL APPLICATIO S 4-Cell to 5V SEPIC DC/DC Converter
C3 L1 1µF 22µH D1 6.5V TO 4V VOUT + C1 VIN SW 5V 15µF 175mA L2 LT1613 374k 4-CELL 22µH + C2 SHDN SHDN FB 22µF GND 121k L1, L2: MURATA LQH3C220 1613 • TA03 C3: AVX 1206YG105 CERAMIC D1: MBR0520
4-Cell to 15V/30mA DC/DC Converter
L1 10µH D1
Efficiency
VIN VOUT 3.5V TO 15V/30mA 85 8V + VIN = 6.5V C1 VIN SW 80 1nF 22µF R1 LT1613 137k + C2 75 VIN = 5V 1% 10k 4.7µF VIN = 3.6V SHDN SHDN FB 70 GND R2 12.1k 65 EFFICIENCY (%) C1: AVX TAJB226M016 60 C2: AVX TAJA475M025 D1: MOTOROLA MBR0520 55 1613 TA04 L1: MURATA LQH3C100 50 0 10 20 30 40 50 60 70 80 90 100 LOAD CURRENT (mA) 1613 TA04a
3.3V to 8V/70mA, – 8V/5mA, 24V/5mA TFT LCD Bias Supply Uses All Ceramic Capacitors
D2 VOFF – 8V 1µF 5mA D3 VON 24V 0.22µF 0.22µF 1µF 5mA 0.22µF: TAIYO YUDEN EMK212BJ224MG D4 1µF: TAIYO YUDEN LMK212BJ105MG 4.7µF: TAIYO YUDEN LMK316BJ475ML 0.22 D1: MOTOROLA MBRO520 µF 1µF D2, D3, D4: BAT54S L1: SUMIDA CDRH5D185R4 L1 5.4µH D1 VIN 3.3V AVDD 8V V 70mA IN SW 274k LT1613 C1 C2 4.7µF 4.7µF SHDN FB GND 48.7k 1613 TA05 10
